jcbbgator
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Posts posted by jcbbgator
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Hello all,
I am having some issues that have become more perplexing than my knowledge has the answers for so hopefully someone can steer me in the right direction.
I started off by trying to improve the rough idle my Jeep has had for years. I rebuilt the TBI, new O2 sensor, new ISA, TPS, coolant temp sensor, MAP sensor, spark plugs, distributor, plug wires, battery, fuel and air filter and installed new vacuum lines wherever I could (minus the hard lines which are difficult to find replacements for).
After this, the Jeep was running great for a week or so, idling smooth and better throttle response. However, few days ago it started stalling and dying after I would put it into gear and apply any gas to it. I started digging through old forums here on this site and working through the EGR system and cleaning up grounds. Now it actually won’t fire up at all, or will for a second and then die. Before this it would idle fine for a while then choke out and die.
I have an inkling that the progressive nature of this may help figure out what’s going on... I’m thinking fuel pump, EGR, something electrical; but I honestly am lost at this point. My mechanical knowledge is pretty novice and I just work on my Jeep in my garage as a hobby so I have no electrical testing tools. Any help or thoughts would be much appreciated! Thanks in advance!
1989 Jeep Wrangler YJ 2.5L TBI Stalling and No Start
in Jeep® YJ Wrangler, TJ Wrangler and LJ Wrangler
Posted
Moses, thank you so much for the detailed reply. I cleaned up the CPS which didn't seem to help but was an easy starting point. I tried disconnecting the engine side of the fuel filter and there was nothing except some initial dribbling of what was in the fuel filter... so I am going to start by replacing that again (even though it was barely used - maybe it sucked up some crap from the tank) and I think i'm going to drop the tank just to make sure the sock is on and the pump isn't clogged so I don't do the same thing to the next filter. I have a feeling the pump/sending unit may be clogged defective because my fuel gauge is also not giving a reading at all either.
Thanks again for the advice - it is very much appreciated. I am going to work through this in the next day or so and see if I can figure out the cause and I will post here what I find in case it helps someone else with a similar issue in the future. Thanks for all you do
Have a great day everyone